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With this change it will be possible to add additional options to the `option_parser` like this:
require 'rails/commands/server'
module Rails
class Server < ::Rack::Server
class Options
def option_parser_with_open(options)
parser = option_parser_without_open options
parser.on('-o', '--open', 'Open in default browser') { options[:open] = true }
parser
end
alias_method_chain :option_parser, :open
end
def start_with_open
start_without_open do
`open http://localhost:3000` if options[:open]
end
end
alias_method_chain :start, :open
end
end
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Currently Active Record can be configured via the environment variable `DATABASE_URL` or by manually injecting a hash of values which is what Rails does, reading in `database.yml` and setting Active Record appropriately. Active Record expects to be able to use `DATABASE_URL` without the use of Rails, and we cannot rip out this functionality without deprecating. This presents a problem though when both config is set, and a `DATABASE_URL` is present. Currently the `DATABASE_URL` should "win" and none of the values in `database.yml` are used. This is somewhat unexpected to me if I were to set values such as `pool` in the `production:` group of `database.yml` they are ignored.
There are many ways that active record initiates a connection today:
- Stand Alone (without rails)
- `rake db:<tasks>`
- ActiveRecord.establish_connection
- With Rails
- `rake db:<tasks>`
- `rails <server> | <console>`
- `rails dbconsole`
We should make all of these behave exactly the same way. The best way to do this is to put all of this logic in one place so it is guaranteed to be used.
Here is my prosed matrix of how this behavior should work:
```
No database.yml
No DATABASE_URL
=> Error
```
```
database.yml present
No DATABASE_URL
=> Use database.yml configuration
```
```
No database.yml
DATABASE_URL present
=> use DATABASE_URL configuration
```
```
database.yml present
DATABASE_URL present
=> Merged into `url` sub key. If both specify `url` sub key, the `database.yml` `url`
sub key "wins". If other paramaters `adapter` or `database` are specified in YAML,
they are discarded as the `url` sub key "wins".
```
### Implementation
Current implementation uses `ActiveRecord::Base.configurations` to resolve and merge all connection information before returning. This is achieved through a utility class: `ActiveRecord::ConnectionHandling::MergeAndResolveDefaultUrlConfig`.
To understand the exact behavior of this class, it is best to review the behavior in activerecord/test/cases/connection_adapters/connection_handler_test.rb though it should match the above proposal.
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We're surrounding the options in angle brackets `<>` as is convention in `curl`:
```
$ curl --help
Usage: curl [options...] <url>
```
And then in square brackets `[]` with bars `|` as in `tar`:
```
$ tar --help
...
Create: tar -c [options] [<file> | <dir> | @<archive> | -C <dir> ]
```
To further clarify that the command can be used with both, we now show examples:
```
Examples:
rails runner 'puts Rails.env'
This runs the code `puts Rails.env` after loading the app
rails runner path/to/filename.rb
This runs the Ruby file located at `path/to/filename.rb` after loading the app
```
This format was taken from the `find` man pages:
```
EXAMPLES
The following examples are shown as given to the shell:
find / \! -name "*.c" -print
Print out a list of all the files whose names do not end in .c.
find / -newer ttt -user wnj -print
Print out a list of all the files owned by user ``wnj'' that are newer than the file ttt.
```
The the text at the bottom is also shifted to improve readability.
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- Fixes #10700
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be used in printing correct location where the exception occurred.
Closes #12885
- Without this the location of exception is always the line on which
'eval' is called
- But if the exception occurs in a gem outside of Rails, then that
location is not printed in stacktrace
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Same as 4d4ff531b8807ee88a3fc46875c7e76f613956fb
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AppPreparer doesn't actually prepare applications, it scrubs ARGV.
Let's also get the class under test while we're at it
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Right now when you start a server via `rails s`, the logger gets extended so that it logs to the file system and also to stdout. This extension behavior is not "intelligent" and if the default logger is already set to output to stdout, then the contents will be received twice.
To capture logs in accordance with http://www.12factor.net/logs some platforms require the logs to be sent to standard out. If a logger is set to stdout, and the server is started using `rails server` instead of another method (i.e. `thin start` etc.) then the app will produce double logs.
This PR fixes the issue by only extending the logger to standard out in the development environment. So that in production you don't get double logs like this:
```
ActionView::Template::Error (wrong number of arguments (5 for 4)):
1: <% lang_index = 0 %>
2: <div class="row">
3: <ul class="nav nav-tabs nav-stacked span2" data-tabs="tabs" id="repo-tabs">
4: <% repos.group_by(&:language).each do |lang, repos| %>
5: <% unless lang == nil %>
6: <li><a href="#<%= "#{lang.parameterize}#{lang.hash}" %>" data-toggle="tab"><%= lang %></a></li>
7: <% end -%>
app/views/shared/_repos.html.erb:4:in `_app_views_shared__repos_html_erb___1685450633638247395_70300668607000'
app/views/pages/index.html.erb:13:in `_app_views_pages_index_html_erb__2084723628308867770_70300687584880'
ActionView::Template::Error (wrong number of arguments (5 for 4)):
1: <% lang_index = 0 %>
2: <div class="row">
3: <ul class="nav nav-tabs nav-stacked span2" data-tabs="tabs" id="repo-tabs">
4: <% repos.group_by(&:language).each do |lang, repos| %>
5: <% unless lang == nil %>
6: <li><a href="#<%= "#{lang.parameterize}#{lang.hash}" %>" data-toggle="tab"><%= lang %></a></li>
7: <% end -%>
app/views/shared/_repos.html.erb:4:in `_app_views_shared__repos_html_erb___1685450633638247395_70300668607000'
app/views/pages/index.html.erb:13:in `_app_views_pages_index_html_erb__2084723628308867770_70300687584880'
```
ATP Railties. Opened against master in favor of #10999
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Creating a class to handle preparing ARGV.
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Before the AppGenerator is started, ARGV needs to be modified to
correctly account for some things. I'm extracting these out into their
own class.
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Instead of using the global constant ARGV, we're changing to using the
instance variable because it is more testable.
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This class encapsulates a lot of logic that wasn't very object oriented.
Helper methods have been created to try to make things more logical and
easy to read.
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There are historical reasons that the `plugin` command was `plugin_new`, now those are no longer applicable, we should remove the naming edge case from the project. This PR is based off of comments from #11176
ATP Railties
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Make "rails dbconsole" work with activerecord-postgis-adapter
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Related with ed8df3ff018d17fad123e48c7cb907332e72e7dc
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v2 of pull request based on feedback from @rafaelfranca, @schneems, and @carlosantoniodasilva
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We used to pass the Rails::Application subclass to #run.
The Rails server then called #to_app to convert that class to the
actual Rack application.
if you surround `#run` with a call to `#map` the server no longer
convertes the class to the instance and we end up with unnecessary
delegation calls on every request.
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Cache the value of "super" in a variable and use it instead.
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* `rails test -f` will run the test suites with all fixtures loaded
* New application will now generated without `fixtures :all` line
enabled by default.
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Any flags that got set will be passed through to MiniTest::Unit.runner,
such as `-n`, `-s-, and `-v`.
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To run the whole test suite:
$ rails test
To run the test file(s):
$ rails test test/unit/foo_test.rb [test/unit/bar_test.rb ...]
To run the test suite
$ rails test [models,helpers,units,controllers,mailers,...]
For more information, see `rails test --help`.
This command will eventually replacing `rake test:*`, and `rake test`
command will actually invoking `rails test` instead.
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I've also added a proper acceptance test which reproduced the issue.
Closes #9513, #9515.
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